delim
Packed Columns
Strong as Steel, Inert as Glass
Put the Power of Restek Packed Columns to Work for You

  • SilcoSmooth tubing provides the inertness of glass and the durability of stainless steel, so you get accurate results for a wide range of active compounds without column breakage.
  • Stable bonded stationary phases mean short conditioning times, low bleed, and long column lifetimes.
  • Excellent retention time reproducibility delivers reliable, predictable results.

Order stock products or custom packed/micropacked
columns
today!

Strong as Steel, Inert as Glass
DiatoSorb-W Diatomaceous Earth: Great Chromatography Millions of Years in the Making

Packed columns offer large sample capacity and can often retain and separate compounds that cannot easily be analyzed by other techniques. While these advantages have resulted in their use in a wide range of GC applications, traditional packed columns are limited by unstable phases that break down easily, producing high column bleed and short column lifetimes. In addition, the tubing used for packed columns can present challenges; columns packed in glass tubing are inflexible and break easily, whereas columns made with untreated metal tubing typically are not inert, meaning active compounds cannot be analyzed accurately as they react with the metal tubing.

Restek packed columns overcome these problems and are preferred over conventional packed columns because they are exceptionally rugged and inert. You can generate accurate data quickly and reliably with less downtime for column changes with Restek packed columns since they combine high-quality SilcoSmooth tubing with stable bonded-phase technology. SilcoSmooth tubing is rugged, ultra-smooth seamless 304 stainless steel tubing that is deactivated with the innovative Siltek treatment. This process results in packed columns that have both the inertness of deactivated glass and the strength and flexibility of stainless steel. In addition, our bonded-phase technology features coated supports that are extremely stable and result in longer column lifetimes, lower bleed, and excellent reproducibility.

Quality Counts at Restek Quality Counts
at Restek

We build quality into every packed column we make to assure performance. Restek packed columns are subjected to rigorous quality checks to ensure reliable performance and retention time reproducibility.

✓ Weight measurements for reproducible packing density.

✓ Flow rate measurement to verify consistent pressure drop.

Put the power of Restek packed columns to work in your lab today. We offer a broad range of common phases, as well as application-specific products developed for light hydrocarbon analysis, sulfurs, permanent gases, and ASTM Method D3606. Follow our selection guide below to find the stock or custom Restek packed column that is right for your method.


Selection Guide

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USP Phase and Support Cross Reference

Looking for an application-specific column?

Application-Specific Recommendation

Need a custom column?

Custom Packed Column Form

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Ordering References and Resources

Part Number Ordering Suffixes

for Instrument-Specific Configurations

Fitting Kit Options

Packed Column FAQs

Additional Resources

Columns

Set di colonne per D3606 (set da 2 colonne impaccate)

  • Risoluzione completa di benzene da etanolo —no coeluzione
  • Accurata quantificazione di benzene e toluene
  • Le colonne sono testate individualmente per garantire l'applicabilità dei metodi
  • Elencate nell'appendice del metodo ASTM D3606 come alternativa accettabile alle colonne TCLP, offrono una migliore separazione tra benzene ed etanolo, pur seguendo i requisiti del metodo ASTM

Colonna n-Octano su Res-Sil C (impaccata)

Questa colonne impaccata ha un'unica selettività per risolvere idrocarburi leggeri insaturi

Colonna OPN su Res-Sil C (impaccata)

Questa colonna separa gli idrocarburi leggeri e risolve alla base il picco del cis-2-butene dal 1,3-butadiene

Set colonne 2abc Gas di raffineria (impaccata)

Questo set di 3 colonne è settato per risolvere gli idrocarburi leggeri. Quando utilizzato in un sistema di valvole appropriate, elusce gli idrocarburi C5+ avanti al C1 e prima dei C4.

Colonne ShinCarbon ST (impaccata & microimpaccata)

(acciaio SilcoSmooth)

  • Separa i gas permanenti, tra cui il monossido di carbonio e biossido di carbonio, senza raffreddamento criogenico
  • Separazioni rapide di miscele permanenti di gas e miscele di idrocarburi leggeri
  • Eccellente compatibilità con la maggior parte dei rivelatori GC, colonne a basso bleed
  • Colonne precondizionate, meno di 30 minuti per stabilizzarsi
  • Temperatura massima di 280 ° C / 300 ° C.

Colonne CarboBlack (inpaccata)

(su CarboBlack B)

  • Le colonne al carbone grafizzato offrono una selettività unica e un bassissimo assorbimento nelle analisi degli alcoli
  • Il supporo CarboBlack B, con la sua alta area superficiale, può contenere fino a un carico di 10% di una fase liquida non siliconica
  • I supporti CarboBlack ofrono una risoluzione e una ritenzione simile a quella ottenuta dai supporti Carbopack e Carbograph

Colonne CarboBlack (impaccata)

(su CarboBlack C)

  • Le colonne al carbone grafizzato offrono una selettività unica e un bassissimo assorbimento nelle analisi degli alcoli
  • Il supporo CarboBlack C può contenere fino a un carico di 1% di una fase liquida non siliconica
  • I supporti CarboBlack offrono una risoluzione e una ritenzione simile a quella ottenuta dai supporti Carbopack e Carbograph

Colonne a setaccio molecolare (impaccata)

Molecular sieve packed columns easily separate permanent gases at above-ambient temperatures. Restek's R&D chemists have developed a process for preparing molecular sieve packings, which result in excellent batch-to-batch reproducibility. In addition, our molecular sieves are preactivated and ready to use. Each column comes with metal end-fittings to prevent water or carbon dioxide from adsorbing into the packing during shipment.

Colonne in terra di diatomea DiatoSorb (colonne impaccate con fase stazionaria legata)

  • Livelli molto bassi di bleed
  • Durata maggiore della colonna
  • Tempi di condizionamento più brevi

Colonne GC micro-impaccate

  • Migliore efficienza rispetto alle colonne impaccate tradizionali
  • Maggiore capacità rispetto alle PLOT
  • Costituite da tubi in Made from inert SilcoSmooth, inerti e flessibili
  • Ampio range di impaccamento disponibile
  • Bobine standard per tutti gli strumenti. Non sono richieste specifiche configurazioni

Colonne Rt-XLSulfur (impaccata & microimpaccata)

  • Colonne ottimizzate per analisi a basso tenore di zolfo (ppb)
  • Eliminare la necessità di tubi in PTFE
  • Colonna e raccordi in Sulfinert trattati per la massima inerzia
  • Temperatura massima di 290 ° C

Supplies & Accessories

Bulk Res-Sil

  • Separazione unica di idrocarburi saturi ed insaturi
  • Chimica di legame innovativa per la riproducibilità lotto a lotto, eccellente stabilità termica e maggior durata
  • Ampia gamma di fasi legate a disposizione
  • Equivalente agli impaccamenti Durapak e Porasil

Bulk CarboBlack

  • Il supporo CarboBlack B può contenere fino a un carico di 10% di una fase liquida non siliconica
  • Il supporo CarboBlack C può contenere fino a un carico di 1% di una fase liquida non siliconica

Kit di adattamento colonne impaccate per porte di iniezione da 1/4"

  • Utilizza colonna da 1/8" e 3/16" in porte di iniezione da 1/4"
  • Centra perfettamente la colonna nell'iniettore per evitare di piegare l'ago della siringa.
  • La scanalatura evita di ostruire il flusso del gas di trasporto.
  • Le ferule in Vespel/grafitesemplificano l'installazione.
  • Include tutti i dadi e ferule necessari per attaccare i tubi all' iniettore ed al detector.

Kit di conversione iniettore per colonne microimpaccate

  • Converte un iniettore split/splitless per colonne capilllari all'utilizzo per colonne microimpaccate da 1/16" OD
  • Compatibile con GC Agilent 5890, 6890 e 7890
  • Deattivazione completa
Chimico & Petrolchimico

DiatoSorb-W Diatomaceous Earth: Great Chromatography Millions of Years in the Making

Virtually unlimited in supply—but only available from Restek—new DiatoSorb-W diatomaceous earth offers a reliable alternative for packed column users. After years of dealing with supply shortages and inconsistent product quality, analysts who depend on diatomaceous earth columns now have a reliable new source. Restek now uses DiatoSorb-W as the exclusive replacement to the diatomaceous earth that was previously used in our standard and Silcoport W GC packed columns lines. All DiatoSorb-W material undergoes rigorous quality testing to ensure high purity and dependable performance. DiatoSorb-W material is available in acid-washed (WAW), non-acid washed (WNAW), and high-performance (WHP) varieties.

Chimico & Petrolchimico

New D3606 Column Set Outperforms TCEP Columns for Benzene Analysis

Restek's new D3606 column set outperforms TCEP columns for gasoline testing. The D3606 set has higher thermal stability and reliably resolves benzene from ethanol, resulting in more accurate quantitation.

Chimico & Petrolchimico

Using Micropacked GC Columns for Analyzing Volatiles in Light Hydrocarbon Streams

Most analysts still use traditional packed columns for light hydrocarbon analysis, but many adsorbents are also available in micropacked column formats. Micropacked columns are a good alternative when both efficiency and sample loadability are desired.

Chimico & Petrolchimico

Analyze Hydrocarbons on OPN/Res-Sil C Bonded GC Packing - Superior Replacement for Porasil Packings

In process GC analyses, this material offers unique selectivity for the difficult-to-separate saturated and unsaturated C4 hydrocarbons, eluting cis-2-butene before 1,3-butadiene. Innovative bonding chemistry assures batch-to-batch reproducibility, excellent thermal stability, and long column life.

Chimico & Petrolchimico

Res-Sil C Bonded GC Packings for Analyses of Light Hydrocarbons

n-Octane on Res-Sil C packing provides excellent, reproducible separations of volatile hydrocarbons in petroleum products, including the difficult-to-separate saturated and unsaturated C4 compounds. An OPN on Res-Sil C column separates C1-C5 hydrocarbons in half the time required by alternative columns.

Chimico & Petrolchimico

Analyze ppb Level Sulfur Compounds Using an Rt-XLSulfur Micropacked GC Column or an Rtx-1 Thick Film Capillary GC Column

Trace levels of sulfur compounds are separated and quantified by using an Rtx-1 capillary column or an Rt-XLSulfur micropacked column. The latter column is a specially deactivated porous polymer in Sulfinert-passivated stainless steel tubing.

Chimico & Petrolchimico

Rt-XLSulfur Packed GC Column for Analysis of Low-Level Sulfur Compounds in C1-C6 Hydrocarbon Streams

Rt-XLSulfur columns resolve hydrocarbons from sulfur compounds in hydrocarbon process streams and exhibit excellent inertness with low ppbv levels of sulfurs.

Interesse Generale

Using Micropacked Columns

Micropacked columns are 1-2 meter, 0.75-1.0mm ID packed stainless steel columns with performance characteristics intermediate between conventional packed columns and capillary columns. They are inexpensive, very durable, and easy to install and operate. They have a wide range of applications, but are especially useful for analyses of gas mixes, including sulfur compounds or light hydrocarbons, for which a packed column is needed to obtain baseline separations of sample components.

PDF Document

Resolve Benzene and Toluene in Spark Ignition Fuels Containing Ethanol

This 2-column set for modified ASTM Method D3606-10 completely resolves benzene from ethanol in reformulated fuels containing ethanol. The aromatic compounds also are fully separated and can easily be quantified using sec-butanol as an internal standard. (PDF - 0MB)

PDF Document

Rt-XLSulfur Packed Column: Specialized packed and micropacked columns for eXtra-Low Sulfur analysis

Rt-XLSulfur packed and micropacked columns combine a unique, efficient porous polymer packing material and true inertness toward active analytes, to ensure excellent and reliable results in trace-level analyses of hydrogen sulfide, sulfur dioxide, and other lightweight sulfur compounds. (PDF - 0MB)

GC Chromatograms

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